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Fig. 5


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A. Julius Osvald Jaan Kalkun, since 1928 Kaljuvee (1869–1940), before 1917. B. Title page of his major contribution to geosciences. C. Saru Parish School (Mõniste parish near Võru), where he was elementarily educated. Courtesy of the Archive Museum of the Estonian Pedagogics, Tallinn University (A and C).

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